File:International Space Station Solar Transit (35551908173).jpg

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My first field use of the 8" Celestron scope that I intend to use for the eclipse resulted in this: a solar transit of the International Space Station, seen here from Sebastian, Florida. at 5:10 pm on Thursday, August 3, 2017.

I didn't have much time to set get set up, particularly because the rain was coming down in buckets until just about 15 minutes before the transit occurred. But the real thing I learned is quite obvious: I've got too much zoom. Even with a full-frame camera, I can't get the full face of the Sun in the frame.

Specs: ISO640, 1/2000 exposure time, shot at 29 fps using a Canon 5D4. 24 frames extracted and combined in Photoshop, with initial edits done in Lightroom.

Transit details, with thanks again to transit-finder.com for the accurate prediction: Thursday 2017-08-03 17:10:39.54 • Solar transit ISS angular size: 44.09″; distance: 626.73 km Angular separation: 0.5′; azimuth: 270.8°; altitude: 38.0° Center line distance: 0.11 km; visibility path width: 7.68 km Transit duration: 0.90 s; transit chord length: 31.5′ R.A.: 08h 56m; Dec: +17° 16′; parallactic angle: -53.1° ISS velocity: 34.8 ′/s (angular); 6.35 km/s (transverse) ISS velocity: -3.76 km/s (radial); 7.38 km/s (total); Direction of motion relative to zenith: -42.4° Sun angular size: 31.5′; 42.9 times larger than the ISS

(Photo by Michael Seeley)
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Source International Space Station Solar Transit
Author Michael Seeley

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Michael Seeley at https://flickr.com/photos/76093456@N04/35551908173. It was reviewed on 6 April 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

6 April 2024

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current09:26, 6 April 2024Thumbnail for version as of 09:26, 6 April 20244,096 × 2,160 (8.44 MB)A1Cafel (talk | contribs)Transferred from Flickr via #flickr2commons

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